White Construction Builders Inc
ADU builder based in Oakland.
- License 991357 was not in the state's records on Sep 23, 2026
7 jobs on San Francisco permits, 2022 to 2024: 3 ADUs, 2 remodels, 1 panel upgrade, 1 roofing job.
We could not find an active or renewable license for this business in the state's records on Sep 23, 2026. Check the license with the state before you hire.
What the public records show
From the state's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License 991357 was not in the state's records on Sep 23, 2026 | Problem |
| Jobs on record | 7 jobs on San Francisco permits, 2022 to 2024: 3 ADUs, 2 remodels, 1 panel upgrade, 1 roofing jobThey are based in Oakland. Work outside San Francisco is not in these records.Our San Francisco permit records cover September 2021 to September 2026. |
Records: the state license board and City of San Francisco permits.
Cost and timing
All ADU jobs in San Francisco: $40,000 to $180,000
Half of 869 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Detached ADUs in San Francisco: $40,000 to $190,000 (33 permits)
- Garage conversions in San Francisco: $30,000 to $153,000 (28 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $85,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What ADU jobs cost in San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a ADU permit stays open about about 15 months, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. Waiting for the permit adds about about 7 months. How long ADU jobs take.
Track record
Jobs per quarter
Where they work most
- 941143 jobs
- 941103 jobs
- 941091 job
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Mar 12, 2024 | RemodelKitchen remodeling: replace cabinets kitchen: removed existing cabinets | 94109 | $8,000 |
| Jun 8, 2023 | ADUTo comply with nov# 202293305. partial conversion of existing basement level into 530 sf adu unit | 94114 | $150,000 |
| Apr 12, 2023 | Panel upgradeExisting main panel 100amp | 94110 | not stated |
| Aug 18, 2022 | ADUNew 876 sf detached adu in the rear yard of a multi-family residence | 94110 | $85,000 |
| Aug 1, 2022 | ADUGround level interior conversion of existing garage into a 2bd/2ba unit | 94110 | $80,000 |
| Jun 1, 2022 | ReroofNo details on the permit | 94114 | $1,200 |
| Jun 1, 2022 | RemodelTwo kitchen and two bath remodel | 94114 | $15,000 |
What to ask before you hire
About White Construction Builders Inc
- Do not hire until the contractor shows you an active license.
- Ask what the warranty covers and for how long, in writing.
Worth asking any ADU builder
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans, engineering and utility hookups, or do I?
- How long from permit to the final inspection on your last three ADUs?
- What is the payment schedule, and what is extra?
Get a quote from White Construction Builders Inc
Five quick questions. We pass your request to White Construction Builders Inc.
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We pass it to White Construction Builders Inc. Replies usually come within a few days.
Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
Open your job roomMore ADU builders near 94114 and 94110
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- R Group, Inc
- Peter Harris Construction Inc
- Wickman Development and Construction
- Ace Drilling & Excavation
See all 35 ADU builders in San Francisco, ranked by jobs
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